The word applicabilities is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 29
Highest Scoring Words With Friends™ Play In The Letters applicabilities
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Seven Letter Word Alert: (67 words)
ablates, actable, albites, albitic, alibies, aplites, aplitic, appalls, appeals, applets, applies, aseptic, astilbe, bacilli, ballast, ballets, baptise, billets, blastic, capable, capital, caplets, castile, cellist, ciliate, citable, elastic, elicits, iceball, icepail, ileitis, illicit, illites, illitic, italics, labials, labiate, laciest, lactase, lacteal, laicise, libates, paellas, palaces, palates, pallets, palpate, papilla, patella, pelitic, pilates, placate, plastic, platipi, pliable, plicate, salable, scalpel, silicle, spacial, spatial, special, spicate, stipple, tallies, tilapia, tipples